WordPress plugin
Optional Email security & vulnerabilities
Unpatched vulnerability in the latest version
At least one vulnerability affects the latest version and no fix has been released. Deactivate the plugin or restrict access to the affected feature until the vendor ships a patch.
- Critical1
- High0
- Medium0
- Low0
All Optional Email vulnerabilities
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Optional Email: common questions
Does Optional Email have known vulnerabilities?
Yes. VulnCrest Radar lists 1 known vulnerability in Optional Email: 1 critical. At least one is not fixed in the latest version.
How do I check which version of Optional Email I run?
In wp-admin open Plugins → Installed Plugins; the version is shown under the name. Without admin access, our passive Check my site tool can often read it from public files.
What is the most recent Optional Email vulnerability?
CVE-2025-15018, published Jan 6, 2026: Optional Email <= 1.3.11 - Unauthenticated Privilege Escalation to Account Takeover. Severity: Critical (CVSS 9.8).
Is any Optional Email vulnerability listed in CISA KEV?
No. None of the known Optional Email vulnerabilities is currently listed in the CISA KEV catalog.